private static ICollection <string> EnumerateResources(NetResource pRsrc, ResourceScope scope, ResourceType type,
ResourceUsage usage, ResourceDisplayType displayType)
{
List <string> result = new List <string>();
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
try
{
IntPtr handle;
uint cEntries = 1;
ErrorCodes res = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (res == ErrorCodes.NoError)
{
try
{
do
{
res = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (res == ErrorCodes.NoError)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
{
result.Add(pRsrc.lpRemoteName);
}
// If the current NetworkResource is a container, we call EnumerateResources recursively.
// In some situations, the lpRemoteName in the NetworkResource is null or empty. In this case
// we do not call EnumerateResources recursively as this leads to an infinite loop of
// recursive calls. For details see Jira MP2-356
if ((pRsrc.dwUsage & ResourceUsage.Container) == ResourceUsage.Container && !String.IsNullOrEmpty(pRsrc.lpRemoteName))
{
result.AddRange(EnumerateResources(pRsrc, scope, type, usage, displayType));
}
}
else if (res != ErrorCodes.ErrorNoMoreItems)
{
break;
}
} while (res != ErrorCodes.ErrorNoMoreItems);
}
finally
{
WNetCloseEnum(handle);
}
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
return(result);
}
private static ICollection <string> EnumerateResources(NetResource pRsrc, ResourceScope scope, ResourceType type,
ResourceUsage usage, ResourceDisplayType displayType)
{
List <string> result = new List <string>();
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
try
{
IntPtr handle;
uint cEntries = 1;
ErrorCodes res = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (res == ErrorCodes.NoError)
{
try
{
do
{
res = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (res == ErrorCodes.NoError)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
{
result.Add(pRsrc.lpRemoteName);
}
if ((pRsrc.dwUsage & ResourceUsage.Container) == ResourceUsage.Container)
{
result.AddRange(EnumerateResources(pRsrc, scope, type, usage, displayType));
}
}
else if (res != ErrorCodes.ErrorNoMoreItems)
{
break;
}
} while (res != ErrorCodes.ErrorNoMoreItems);
}
finally
{
WNetCloseEnum(handle);
}
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
return(result);
}
public ServerEnum(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
NETRESOURCE pRsrc = new NETRESOURCE();
EnumerateServers(pRsrc, scope, type, usage, displayType, "");
}
private void EnumerateServers(NETRESOURCE pRsrc, ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType, string strDomain)
{
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
IntPtr handle = IntPtr.Zero;
ErrorCodes result;
uint cEntries = 1;
result = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (result == ErrorCodes.NO_ERROR)
{
Marshal.PtrToStructure(buffer, pRsrc);
// If the discovered item is of the correct type then add a server entry to our array
if (pRsrc.dwDisplayType == displayType)
{
string strName;
strName = pRsrc.lpRemoteName;
// Remove any "\\" prefix
if (strName.StartsWith("\\"))
{
strName = strName.Remove(0, 2);
}
Server server = new Server(strName, strDomain);
aData.Add(server);
}
// If this is a domain or NDS container then store the name as the parent
if ((pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_DOMAIN) ||
(pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_NDSCONTAINER))
{
strDomain = pRsrc.lpRemoteName;
}
// If this is a container then call ourselves recursively to expand it
if ((pRsrc.dwUsage & ResourceUsage.RESOURCEUSAGE_CONTAINER) == ResourceUsage.RESOURCEUSAGE_CONTAINER)
{
EnumerateServers(pRsrc, scope, type, usage, displayType, strDomain);
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
{
break;
}
}while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(handle);
}
Marshal.FreeHGlobal((IntPtr)buffer);
}
public ServerEnum(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType, string kPath)
{
var netRoot = new NetResource();
EnumerateServers(netRoot, scope, type, usage, displayType, kPath);
}
private void EnumerateServers(NetResource pRsrc, ResourceScope scope, ResourceType type,
ResourceUsage usage, ResourceDisplayType displayType, string kPath)
{
uint bufferSize = 16384;
var buffer = Marshal.AllocHGlobal((int)bufferSize);
IntPtr handle;
uint cEntries = 1;
var serverenum = false;
var result = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if ((result == ErrorCodes.NO_ERROR))
{
Marshal.PtrToStructure(buffer, pRsrc);
if (kPath == "")
{
if ((pRsrc.dwDisplayType == displayType) || (pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_DOMAIN))
_aData.Add(pRsrc.lpRemoteName + "|" + pRsrc.dwDisplayType);
if ((pRsrc.dwUsage & ResourceUsage.RESOURCEUSAGE_CONTAINER) == ResourceUsage.RESOURCEUSAGE_CONTAINER)
if ((pRsrc.dwDisplayType == displayType))
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
else
{
if (pRsrc.dwDisplayType == displayType)
{
_aData.Add(pRsrc.lpRemoteName);
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
serverenum = true;
}
if (!serverenum)
{
if (pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_SHARE)
_aData.Add(pRsrc.lpRemoteName + "-share");
}
else
serverenum = false;
if ((kPath.IndexOf(pRsrc.lpRemoteName) >= 0) || (String.Compare(pRsrc.lpRemoteName, "Microsoft Windows Network") == 0))
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
break;
} while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(handle);
}
Marshal.FreeHGlobal(buffer);
}
private static IEnumerable<string> EnumerateServers(NETRESOURCE pRsrc, ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
IntPtr handle = IntPtr.Zero;
ErrorCodes result;
uint cEntries = 1;
result = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (result == ErrorCodes.NO_ERROR)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
yield return pRsrc.lpRemoteName;
if ((pRsrc.dwUsage & ResourceUsage.RESOURCEUSAGE_CONTAINER) == ResourceUsage.RESOURCEUSAGE_CONTAINER)
{
foreach( string share in EnumerateServers(pRsrc, scope, type, usage, displayType))
yield return share;
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
break;
} while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(handle);
}
Marshal.FreeHGlobal((IntPtr)buffer);
}
public ServerEnum(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType, string kPath)
{
NETRESOURCE netRoot = new NETRESOURCE();
EnumerateServers(netRoot, scope, type, usage, displayType, kPath);
}
private void EnumerateServers(NETRESOURCE pRsrc, ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType, string kPath)
{
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((IntPtr)bufferSize);
IntPtr Handle = IntPtr.Zero;
ErrorCodes result;
uint cEntries = 1;
bool ServerEnum = false;
result = WNetOpenEnum(scope, type, usage, pRsrc, ref Handle); // out
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(Handle, ref cEntries, buffer, ref bufferSize); // ref ref
if (result == ErrorCodes.NO_ERROR)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (string.Compare(kPath, "") == 0)
{
if (pRsrc.dwDisplayType == displayType || pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_DOMAIN)
{
aData.Add(pRsrc.lpRemoteName + "|" + pRsrc.dwDisplayType);
if ((pRsrc.dwUsage | ResourceUsage.RESOURCEUSAGE_CONTAINER) == ResourceUsage.RESOURCEUSAGE_CONTAINER)
{
if (pRsrc.dwDisplayType == displayType)
{
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
}
}
else
{
if (pRsrc.dwDisplayType == displayType)
{
aData.Add(pRsrc.lpRemoteName);
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
//return
ServerEnum = true;
}
if (!ServerEnum)
{
if (pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_SHARE)
{
aData.Add(pRsrc.lpRemoteName + "-share");
}
}
else
{
ServerEnum = false;
}
if (kPath.IndexOf(pRsrc.lpRemoteName) >= 0 || string.Compare(pRsrc.lpRemoteName, "Microsoft Windows Network") == 0)
{
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
{
break;
}
}
} while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(Handle);
}
Marshal.FreeHGlobal(buffer);
}
private static ICollection<string> EnumerateResources(NetResource pRsrc, ResourceScope scope, ResourceType type,
ResourceUsage usage, ResourceDisplayType displayType)
{
List<string> result = new List<string>();
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int) bufferSize);
try
{
IntPtr handle;
uint cEntries = 1;
ErrorCodes res = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (res == ErrorCodes.NoError)
try
{
do
{
res = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (res == ErrorCodes.NoError)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
result.Add(pRsrc.lpRemoteName);
// If the current NetworkResource is a container, we call EnumerateResources recursively.
// In some situations, the lpRemoteName in the NetworkResource is null or empty. In this case
// we do not call EnumerateResources recursively as this leads to an infinite loop of
// recursive calls. For details see Jira MP2-356
if ((pRsrc.dwUsage & ResourceUsage.Container) == ResourceUsage.Container && !String.IsNullOrEmpty(pRsrc.lpRemoteName))
result.AddRange(EnumerateResources(pRsrc, scope, type, usage, displayType));
}
else if (res != ErrorCodes.ErrorNoMoreItems)
break;
} while (res != ErrorCodes.ErrorNoMoreItems);
}
finally
{
WNetCloseEnum(handle);
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
return result;
}
public static ICollection<string> EnumerateResources(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
NetResource pRsrc = new NetResource();
return EnumerateResources(pRsrc, scope, type, usage, displayType);
}
private void EnumerateServers(NETRESOURCE pRsrc, ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
IntPtr handle = IntPtr.Zero;
ErrorCodes result;
uint cEntries = 1;
result = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (result == ErrorCodes.NO_ERROR)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
{
aData.Add(pRsrc.lpRemoteName);
}
if ((pRsrc.dwUsage & ResourceUsage.RESOURCEUSAGE_CONTAINER) == ResourceUsage.RESOURCEUSAGE_CONTAINER)
{
EnumerateServers(pRsrc, scope, type, usage, displayType);
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
{
break;
}
} while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(handle);
}
Marshal.FreeHGlobal((IntPtr)buffer);
}
public static ICollection <string> EnumerateResources(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
NetResource pRsrc = new NetResource();
return(EnumerateResources(pRsrc, scope, type, usage, displayType));
}
private void EnumerateServers(NETRESOURCE pRsrc, ResourceScope scope, ResourceType type, ResourceUsage usage,
ResourceDisplayType displayType, string kPath)
{
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int)bufferSize);
IntPtr handle;
uint cEntries = 1;
bool serverenum = false;
ErrorCodes result = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (result == ErrorCodes.NO_ERROR)
{
do
{
result = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if ((result == ErrorCodes.NO_ERROR))
{
Marshal.PtrToStructure(buffer, pRsrc);
if (kPath == "")
{
if ((pRsrc.dwDisplayType == displayType) ||
(pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_DOMAIN))
{
aData.Add(pRsrc.lpRemoteName + "|" + pRsrc.dwDisplayType);
}
if ((pRsrc.dwUsage & ResourceUsage.RESOURCEUSAGE_CONTAINER) ==
ResourceUsage.RESOURCEUSAGE_CONTAINER)
{
if ((pRsrc.dwDisplayType == displayType))
{
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
}
}
else
{
if (pRsrc.dwDisplayType == displayType)
{
aData.Add(pRsrc.lpRemoteName);
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
//return;
serverenum = true;
}
if (!serverenum)
{
if (pRsrc.dwDisplayType == ResourceDisplayType.RESOURCEDISPLAYTYPE_SHARE)
{
aData.Add(pRsrc.lpRemoteName + "_share");
}
}
else
{
serverenum = false;
}
if ((kPath.IndexOf(pRsrc.lpRemoteName) >= 0) ||
(pRsrc.lpRemoteName == "Microsoft Windows Network"))
{
EnumerateServers(pRsrc, scope, type, usage, displayType, kPath);
}
}
}
else if (result != ErrorCodes.ERROR_NO_MORE_ITEMS)
{
break;
}
} while (result != ErrorCodes.ERROR_NO_MORE_ITEMS);
WNetCloseEnum(handle);
}
Marshal.FreeHGlobal(buffer);
}
private static ICollection<string> EnumerateResources(NetResource pRsrc, ResourceScope scope, ResourceType type,
ResourceUsage usage, ResourceDisplayType displayType)
{
List<string> result = new List<string>();
uint bufferSize = 16384;
IntPtr buffer = Marshal.AllocHGlobal((int) bufferSize);
try
{
IntPtr handle;
uint cEntries = 1;
ErrorCodes res = WNetOpenEnum(scope, type, usage, pRsrc, out handle);
if (res == ErrorCodes.NoError)
try
{
do
{
res = WNetEnumResource(handle, ref cEntries, buffer, ref bufferSize);
if (res == ErrorCodes.NoError)
{
Marshal.PtrToStructure(buffer, pRsrc);
if (pRsrc.dwDisplayType == displayType)
result.Add(pRsrc.lpRemoteName);
if ((pRsrc.dwUsage & ResourceUsage.Container) == ResourceUsage.Container)
result.AddRange(EnumerateResources(pRsrc, scope, type, usage, displayType));
}
else if (res != ErrorCodes.ErrorNoMoreItems)
break;
} while (res != ErrorCodes.ErrorNoMoreItems);
}
finally
{
WNetCloseEnum(handle);
}
}
finally
{
Marshal.FreeHGlobal(buffer);
}
return result;
}
public ServerEnum(ResourceScope scope, ResourceType type, ResourceUsage usage, ResourceDisplayType displayType)
{
NETRESOURCE pRsrc = new NETRESOURCE();
EnumerateServers(pRsrc, scope, type, usage, displayType);
}
